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OSTP Design Summary Worksheet UNIVERSITY Minnesota Pollution OF MINNESOTA Control Agency �.,� Mound Design Summary Absorption Area 625.0 ft2 Bed Length 63.0 ft Bed Width 10.0 ft Absorption Width 12.0 ft Clean Sand Lift 1.0 ft Berm Width (0-1%) ft Upslope Berm Width 11.6 ft Downslope Berm Width 20.0 ft Endslope Berm Width 10.8 ft Total System Length 84.6 ft Total System Width 41.6 ft Contour Loading Rate 12.0 gal/ft At-Grade Design Summary Absorption Bed Width ft Absorption Bed Length ft System Height ft Contour Loading Rate gal/ft Upslope Berm Width ft Downslope Berm Width ft Endslope Berm Width ft System Length ft System Width ft Level Et Equal Pressure Distribution Summary No. of Perforated Laterals 0 Perforation Spacing 0 ft Perforation Diameter 0 in Lateral Diameter 0.00 in Min. Delivered Volume 0 gal Maximum Delivered Volume 188 gal Non-Level and Unequal Pressure Distribution Summary Elevation Pipe Volume Pipe Length Perforation Size (ft) Pipe Size(in) (gal/ft) (ft) (in) Spacing(ft) Spacing(in) Lateral 1 Minimum Delivered Volume Lateral 2 gal Lateral 3 Lateral 4 Maximum Delivered Volume Lateral 5 gal Lateral 6 5. Additional Info for Type IV/Pretreatment Design A. Calculate the organic loading using option 1 or 2 1. Organic Loading =Pounds of BOD X Units lbs/day X = lbs BOD/day 2. Organic Loading to Pretreatment Unit =Design Flow X Estimated BOD in mg/L in the effluent X 8.35:1,000,000 gpd X mg/L X 8.35=1,000,000= lbs BOD/day B. Type of Pretreatment Unit Being Installed: C. Calculate Soil Treatment System Organic Loading: lbs. BOD/day=Bottom Area =lbs/day/ft2 lbs/day: ft2= lbs/day/ft2 Comments/Special Design Considerations: I hereby certify that I have completed this work in accordance with all applicable ordinances, rules and laws. Joseph J Olson 810 04/20/15 (Designer) (Signature) (License#) (Date)